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<html>
<head>
<title>EAGLE Help: HOLE</title>
</head>
<body bgcolor=white>
<font face=Helvetica,Arial>
<hr>
<i>EAGLE Help</i>
<h1><center>HOLE</center></h1>
<hr>
<dl>
<dt>
<b>Function</b>
<dd>
Add drill hole to a board or package.
<p>
<dt>
<b>Syntax</b>
<dd>
<tt>HOLE drill *..</tt>
<p>
</dl>
<b>See also</b> <a href=98.htm>VIA</a>,
<a href=67.htm>PAD</a>,
<a href=32.htm>CHANGE</a>
<p>
This command is used to define e.g. mounting holes (has no electrical
connection between the different layers) in a board or in a package.
The parameter drill defines the diameter of the hole in the
actual unit. It may be up to 0.51602 inch (13.1 mm).
<p>
<b>Example</b>
<pre>
HOLE 0.20 *
</pre>
If the actual unit is "inch", the hole will have a diameter
of 0.20 inch.
<p>
The entered value for the diameter (also used for via-holes and pads)
remains as a presetting for succeeding operations. It may be changed
with the command:
<pre>
CHANGE DRILL value *
</pre>
A hole can only be selected if the Holes layer is displayed.
<p>
A hole generates a symbol in the Holes layer as well as a circle with
the diameter of the hole in the Dimension layer. The relation between
certain diameters and symbols is defined in the "Options/Set/Drill" dialog.
The circle in the Dimension layer is used by the Autorouter. As
it will keep a (user-defined) minimum distance between via-holes/wires
and dimension lines, it will automatically keep this distance to the
hole.
<p>
Holes generate Annulus symbols in supply layers.
<p>
In the layers tStop and bStop, holes generate the solder
stop mask, whose diameter is calculated by the hole diameter plus
the value frame defined with the option -B.
<hr>
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